液壓支架三維CAD系統(tǒng)設(shè)計(jì)
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- 液壓支架三維CAD系統(tǒng)設(shè)計(jì)
摘 要
液壓支架是地下工程或隧道工程的關(guān)鍵設(shè)備之一，它主要用于支護(hù)頂板、防止頂板垮落，為施工人員和施工設(shè)備提供一個(gè)安全可靠的工作空間。隨著國(guó)家工程建設(shè)規(guī)模的擴(kuò)大和施工進(jìn)程的加快，對(duì)液壓支架的支護(hù)性能提出了越來(lái)越高的要求。
首先，在分析了傳統(tǒng)液壓支架架型的基礎(chǔ)上，通過(guò)機(jī)構(gòu)演化，開(kāi)發(fā)了一種新架型——垂直導(dǎo)桿型液壓支架；該新型支架不僅結(jié)構(gòu)簡(jiǎn)單、重量輕和調(diào)架容易，而且可極大地改善液壓支架的受力狀況，提高穩(wěn)定性，具有廣泛的應(yīng)用前景。
其次，采用三維參數(shù)化的設(shè)計(jì)軟件Pro/E，完成了垂直導(dǎo)桿型液壓支架的三維參數(shù)化造型，實(shí)現(xiàn)了Pro/E與ADAMS軟件之間的模型轉(zhuǎn)換，并利用ADAMS軟件對(duì)該液壓支架進(jìn)行了動(dòng)力學(xué)分析，得到了該支架在各種工況下圖形。
關(guān)鍵詞：施工機(jī)械；液壓支架；垂直導(dǎo)桿機(jī)構(gòu)；三維參數(shù)化；ADAMS；
Abstract
Hydraulic power support is one of the important facilities in underground projects or tunnel projects, which is used for supporting top rock, and preventing the top rock from collapsing. It can provide a safe and secure workspace for construction workers and equipments. Along with the scale expansion and high speed of national projects in constructional process, the performance of hydraulic power support need to be increasingly higher and higher. Therefore researching and developing a new type of hydraulic power support is very significant in practice.
Firstly, basing on the analysis of traditional hydraulic power support, by mechanical evolution, a new type of the vertical guide-bar hydraulic power support is developed, and its canopy is also simplified in structure that has no activity side flap. The new support has some advantages: it not only can improve the stress condition, enhance the stability of it, but also possesses of simple structure, light weight, easy adjustment the interval between the adjacent supports. Therefore it is very hopeful in the application prospects.
Secondly, the three-dimensional parametric model of the vertical guide-bar hydraulic power support is set up by using the three dimensional parametric software-Pro/E, this model is translated from Pro/E to ANSYS, and the analysis pictures of both stress and deformation in several static force conditions are got by means of ANSYS software.
Keywords: constructional machinery; hydraulic power support; vertical guide-bar; three-dimensional parametric;
目錄
摘 要 I
Abstract II
第一章 概 述 1
1.1 國(guó)內(nèi)外液壓支架的研究與應(yīng)用現(xiàn)狀 1
1.1.1 國(guó)外液壓支架研究水平 1
1.1.2 國(guó)內(nèi)液壓支架研究水平 2
1.1.3 國(guó)內(nèi)外液壓支架研究與應(yīng)用中存在的問(wèn)題 3
1.2 本課題的確立及其研究意義 3
1.2.1 本課題的確立 3
1.2.2 本課題的研究意義 4
1.3 本課題的研究?jī)?nèi)容、關(guān)鍵技術(shù)及創(chuàng)新點(diǎn) 5
1.3.1 研究?jī)?nèi)容 5
1.3.2 關(guān)鍵技術(shù)及創(chuàng)新點(diǎn) 5
1.4 本章小結(jié) 5
第二章 垂直導(dǎo)桿型液壓支架結(jié)構(gòu)設(shè)計(jì) 7
2.1 典型液壓支架架型的分析與比較 7
2.1.1 垛式液壓支架 7
2.1.2 四連桿型液壓支架 7
2.1.3 單擺桿型液壓支架 8
2.1.4 垂直導(dǎo)桿型液壓支架 9
2.2 支架主要結(jié)構(gòu)參數(shù)的確定 9
2.3 液壓支架主體部件結(jié)構(gòu)設(shè)計(jì) 10
2.3.1 頂梁設(shè)計(jì) 10
2.3.2 底座設(shè)計(jì)簡(jiǎn)述 18
2.4 本章小結(jié) 20
第三章 垂直導(dǎo)桿型液壓支架三維參數(shù)化設(shè)計(jì) 21
3.1 三維建模軟件Pro/E 21
3.2 液壓支架三維實(shí)體建模 22
3.2.1 三維實(shí)體建模方法 22
3.2.2 液壓支架各部件的三維建模 24
3.3 液壓支架的整機(jī)虛擬裝配 28
3.4 本章小結(jié) 30
第四章 液壓支架虛擬樣機(jī)與仿真 31
4.1 虛擬樣機(jī)技術(shù) 31
4.1.1 虛擬樣機(jī)技術(shù)簡(jiǎn)介 31
4.1.2 MSC ADAMS軟件 31
4.2虛擬樣機(jī)模型的建立 32
4.2.1 力學(xué)模型的建立 32
4.2.2 液壓支架的建模 34
4.2.3 PROE與ADAMS軟件接口 35
4.2.4 虛擬樣機(jī)模型的導(dǎo)入 35
4.2.5 樣機(jī)模型讀入 37
4.3支架樣機(jī)工況動(dòng)態(tài)仿真 38
4.3.1支架工作過(guò)程簡(jiǎn)介 38
4.3.2支架承載過(guò)程動(dòng)態(tài)仿真 39
4.4 本章小結(jié) 41
結(jié) 論 42
參考文獻(xiàn) 43
致 謝 44
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